B23B2251/287 - CPC Classification Index

ClassID:

41162 ⎘

B23B2251/287 - CPC Classification

Classification description:

Details of tools for drilling machines; Arrangement of teeth Cutting edges having different lengths

Recent Application in this class:

20220339714

TWIST DRILL BIT HAVING A CUTTING TIP WITH A STEPPED STRUCTURE

20180065190

Drill bit for drilling laminates

20150183031

Micro-drill and method for manufacturing the micro-drill

20120087755

Hole cutter

20110168453

Rock drill bit

20100221078

Drilling tool and method for drilling

20050235798

Cutting segment tip

20050205306

Drill bit